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Season 5, episode 7. This player now records resume state for the active profile so browse, account, and detail pages can bring you back here quickly.
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Total Eclipse
A look at the movements of the Earth, the sun and the moon during solar and lunar eclipses; how humans, if alone in the universe, may be the only intelligent creatures to witness these events; and how astronomers discover planets in other star systems that partially eclipse their stars.
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